Final answer:
Lymphoma is the term that means "malignant tumor of lymphoid tissues".
Step-by-step explanation:
Lymphoma is the term that means "malignant tumor of lymphoid tissues". Lymphoid tissues are a part of the immune system and are found throughout the body, including in lymph nodes, thymus, and spleen. Lymphoma can occur in two main types: Hodgkin lymphoma and non-Hodgkin lymphoma.
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